Fatto generale: 8602 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 8602 is the generalized Catalan number C(20,4).
Trivia: 8602 is an unremarkable number.
Data storica: July 20th is the day in 1960 that Ceylon (now Sri Lanka) elects Sirimavo Bandaranaike Prime Minister, the world's first elected female head of government.